Measurement E151M1821
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.1609 | |
| Q2: | 0.101 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8822 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.05 | 30.0 | -1.316 | 0.7487 |
| 0.15 | 66.0 | -0.9989 | 0.7241 |
| 0.15 | 294.0 | 0.6666 | 0.8449 |
| 0.25 | 66.0 | -0.5717 | 0.5494 |
| 0.25 | 78.0 | -1.5195 | 0.6097 |
| 0.25 | 282.0 | -0.9852 | 0.761 |
| 0.25 | 294.0 | 0.8236 | 0.5348 |
| 0.35 | 66.0 | 0.4114 | 0.6125 |
| 0.35 | 78.0 | 0.1932 | 0.5559 |
| 0.35 | 270.0 | 0.6144 | 0.7794 |
| 0.35 | 282.0 | -0.292 | 0.7035 |
| 0.35 | 294.0 | -0.0798 | 0.525 |
| 0.35 | 306.0 | 0.3113 | 0.8166 |
| 0.45 | 66.0 | 0.2319 | 0.7207 |
| 0.45 | 78.0 | 0.1439 | 0.5777 |
| 0.45 | 90.0 | 0.5694 | 0.7599 |
| 0.45 | 270.0 | 0.1458 | 0.6687 |
| 0.45 | 282.0 | 0.4326 | 0.4786 |
| 0.45 | 294.0 | 0.287 | 0.5235 |
| 0.55 | 66.0 | 0.1851 | 0.7557 |
| 0.55 | 78.0 | 0.093 | 0.71 |
| 0.55 | 102.0 | -0.7683 | 0.6928 |
| 0.55 | 114.0 | 0.3989 | 0.5694 |
| 0.55 | 126.0 | -0.8264 | 0.6348 |
| 0.55 | 234.0 | 0.8673 | 0.7024 |
| 0.55 | 246.0 | -0.4126 | 0.8446 |
| 0.55 | 258.0 | 0.391 | 0.7612 |
| 0.55 | 270.0 | -1.24 | 0.5515 |
| 0.55 | 282.0 | 0.4534 | 0.4981 |
| 0.55 | 294.0 | -0.2166 | 0.7222 |
| 0.55 | 306.0 | 0.378 | 0.7552 |
| 0.65 | 54.0 | -0.1609 | 0.7809 |
| 0.65 | 66.0 | -0.2424 | 0.5981 |
| 0.65 | 78.0 | -0.1974 | 0.9173 |
| 0.65 | 90.0 | -0.3564 | 0.8125 |
| 0.65 | 102.0 | -0.5477 | 0.5938 |
| 0.65 | 114.0 | 0.0573 | 0.5348 |
| 0.65 | 126.0 | 0.0552 | 0.5457 |
| 0.65 | 138.0 | 0.7698 | 0.7943 |
| 0.65 | 150.0 | -0.0528 | 0.7741 |
| 0.65 | 210.0 | 0.5228 | 0.6487 |
| 0.65 | 222.0 | -1.6034 | 0.5771 |
| 0.65 | 234.0 | 0.5475 | 0.5662 |
| 0.65 | 246.0 | 0.6062 | 0.5827 |
| 0.65 | 258.0 | 0.1097 | 0.6771 |
| 0.65 | 270.0 | -0.0367 | 0.6759 |
| 0.65 | 294.0 | -0.1272 | 0.5332 |
| 0.65 | 306.0 | -0.268 | 0.7049 |
| 0.75 | 102.0 | 0.2552 | 0.5635 |
| 0.75 | 114.0 | -0.0794 | 0.5816 |
| 0.75 | 126.0 | -0.0335 | 0.5164 |
| 0.75 | 138.0 | -0.5841 | 0.5728 |
| 0.75 | 150.0 | -0.5849 | 0.6819 |
| 0.75 | 198.0 | -1.1719 | 0.7516 |
| 0.75 | 210.0 | -0.5673 | 0.6866 |
| 0.75 | 222.0 | -0.3764 | 0.6972 |
| 0.75 | 234.0 | -0.5853 | 0.5013 |
| 0.75 | 246.0 | -0.787 | 0.4703 |
| 0.75 | 258.0 | 0.2299 | 0.4965 |
| 0.75 | 270.0 | -0.5697 | 0.7452 |
| 0.75 | 282.0 | 1.5464 | 0.6354 |
| 0.85 | 90.0 | -0.1026 | 0.6355 |
| 0.85 | 102.0 | -1.2999 | 0.5939 |
| 0.85 | 114.0 | 0.5808 | 0.6646 |
| 0.85 | 126.0 | -0.037 | 0.5895 |
| 0.85 | 138.0 | -0.0327 | 0.6803 |
| 0.85 | 150.0 | -1.143 | 0.6385 |
| 0.85 | 198.0 | 0.0548 | 0.7734 |
| 0.85 | 210.0 | 0.0256 | 0.6025 |
| 0.85 | 222.0 | 0.1451 | 0.5288 |
| 0.85 | 234.0 | 0.426 | 0.4412 |
| 0.85 | 246.0 | 0.1883 | 0.416 |
| 0.85 | 258.0 | -0.8016 | 0.4449 |
| 0.85 | 270.0 | -1.1383 | 0.5479 |
| 0.95 | 102.0 | -0.4147 | 0.77 |
| 0.95 | 210.0 | 0.0346 | 0.6977 |
| 0.95 | 222.0 | 0.0862 | 0.5947 |
| 0.95 | 234.0 | -0.7536 | 0.5537 |
| 0.95 | 246.0 | 0.1523 | 0.5887 |
| 0.95 | 258.0 | 0.4638 | 0.4993 |
| 0.95 | 270.0 | 1.2774 | 0.5854 |
Experiment comment: